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How a jasmonate switch protects peach from cold damage

Researchers identified PpMYC2.1 as a central regulator that integrates ethylene biosynthesis, antioxidant metabolism, and cell wall remodeling to mitigate chilling injury in peaches. Exogenous MeJA treatment alleviates CI by activating this regulator, which coordinates hormone signaling and metabolic reprogramming.

SourceNanjing Agricultural University The Academy of Science·JournalHorticulture Research·DateMar 3, 2026

Unlocking the secrets of tea's healthful compounds: phosphate and jasmonate's role

A recent study reveals how phosphate signaling and jasmonate pathways interact to regulate catechin biosynthesis in tea plants, influencing both economic value and health benefits. The findings highlight the importance of understanding molecular mechanisms governing catechin production under varying nutrient conditions.

SourceNanjing Agricultural University The Academy of Science·JournalHorticulture Research·DateSep 19, 2024

Plants utilize drought stress hormone to block snacking spider mites

Researchers discovered that plants employ ABA to close stomata, obstructing spider mites' entry points and significantly reducing pest damage. The closure of stomata also coincides with the production of ABA, a hormone linked with drought response.

SourceUniversity of Cambridge·JournalPLANT PHYSIOLOGY·TypeExperimental study·DateMay 3, 2024

News about a plant hormone

Scientists have found that jasmonic acid triggers the quick closure of stomata, a crucial mechanism for plants to conserve water during drought stress. The discovery also reveals a molecular crosstalk between jasmonic acid and abscisic acid, two key plant hormones involved in regulating stomatal conductance.

SourceUniversity of Würzburg·JournalDevelopmental Cell·DateDec 7, 2018
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Research clarifies nuclear hormone receptor function in plants

A new study reveals that Mediator subunit MED25 links the jasmonate receptor to transcriptionally active chromatin. It also interacts with histone modification enzymes to regulate gene expression, integrating genetic and epigenetic regulators.

SourceChinese Academy of Sciences Headquarters·JournalProceedings of the National Academy of Sciences·DateOct 10, 2017

Biologists unlocking the secrets of plant defenses, 1 piece at a time

Biologists have discovered how a transcriptional repressor makes its way into the nucleus of plant cells to control jasmonate signaling, which is crucial for maintaining balance between growth and defense. This finding could lead to more efficient crop yields with less harm to the environment.

SourceUniversity of Texas at Arlington·JournalProceedings of the National Academy of Sciences·DateDec 5, 2012

Survival strategies in nature

Scientists at Max Planck Institute for Chemical Ecology gained new insights into chemical signaling within plants after herbivore attack, highlighting the value of genetically modifying plants to study complex ecological interactions. Transgenic Nicotiana attenuata plants were found to attract novel herbivore species despite being defe...

SourceMax-Planck-Gesellschaft·JournalScience·DateJul 5, 2004
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